Intel

AIKIDO-2025-10988

wolfSSL.wolfssl is vulnerable to Observable Discrepancy

Observable DiscrepancyCVE-2025-11932 Published Dec 29, 2025

23

Low Risk

This Affects:

C++wolfSSL.wolfssl
5.8.2 - 5.8.2
Fixed in 5.8.4
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TL;DR

A timing side-channel exists in TLS 1.3 PSK binder verification, where the server previously performed binder validation using a non-constant-time method. This behavior could potentially leak information about the PSK binder through timing differences.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

wolfSSL.wolfssl is vulnerable to Observable Discrepancy in versions 5.8.2 - 5.8.2.

How to fix this

Upgrade the wolfSSL.wolfssl library to the patch version.

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